Oil Pressure Drops
01-18-05, 10:57 PM
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Oil Pressure Drops
At idle, my oil pressure is just over 30psi
In gears 1-4, the oil pressure will rise to about 60psi at just under 2500rpms
So thats normal.
But in 5th gear going about 85-90mph, the oil pressure will drop to maybe 50psi or so. And if I floor it to full boost it'll drop even more than that. What could be the problem?
Its an 87' Turbo II. I was running 10w-40 royal purple. Just changed to 20w-50 today and it helped, but it still drops a bit, though not as much.
Thanks in advance
Jon
In gears 1-4, the oil pressure will rise to about 60psi at just under 2500rpms
So thats normal.
But in 5th gear going about 85-90mph, the oil pressure will drop to maybe 50psi or so. And if I floor it to full boost it'll drop even more than that. What could be the problem?
Its an 87' Turbo II. I was running 10w-40 royal purple. Just changed to 20w-50 today and it helped, but it still drops a bit, though not as much.
Thanks in advance
Jon
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